O.H. Ammann Centennial Conference (1979 New York, N.Y.)

O.H. Ammann Centennial Conference (1979 New York, N.Y.)

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Long-span bridgesO.H. Ammann Centennial Conference (1979 New York, N.Y.)

Long-span bridges

O.H. Ammann Centennial Conference (1979 New York, N.Y.) · 1980